qa: remove `qa/.qa` symlink

It did point to `../.qa` which does not exist.

Signed-off-by: Sebastian Wagner <sewagner@redhat.com>

diff --git a/qa/.qa b/qa/.qa
deleted file mode 120000 (symlink)
index fea2489..0000000
--- a/qa/.qa
+++ /dev/null
@@ -1 +0,0 @@
-../.qa
\ No newline at end of file